\begin{tikzpicture}
    \tkzDefPoints{0/0/E, 4/0/F, 1.2/1.5/A, 1.2/-1.5/B, 2.5/1.5/C, 2.5/-1.5/D}
    \tkzInterLL(A,B)(E,F)  \tkzGetPoint{O}
    \tkzInterLL(C,D)(E,F)  \tkzGetPoint{P}

    \tkzDrawSegments(A,B  C,D  E,F)
    \tkzMarkRightAngles[size=0.3](F,O,A  F,P,C)
    \tkzLabelAngle[pos=0.7](F,O,A){$1$}
    \tkzLabelAngle[pos=0.7](F,P,C){$2$}
    \tkzLabelPoints[above](E,F)
    \tkzLabelPoints[right](A,B,C,D)
\end{tikzpicture}

